Abstract
WHEN an electric glow discharge is passed through a tube containing air at pressures of the order of 5 cm. of mercury, the tube lying in one of the two beams in a Jamin's refractometric arrangement, there is a sudden shift of the interference fringes indicating a decrease of the refractive index of air due to the passage of the discharge. A preliminary announcement of the effect has already been made in the columns of NATURE (vol. 120, p. 880), and a detailed account of the experiments published in the Indian Journal of Physics, vol. 3, pp. 425–430.
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SETH, J., MOKAND, B. Passage of an Electric Discharge through Gases. Nature 126, 808 (1930). https://doi.org/10.1038/126808a0
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DOI: https://doi.org/10.1038/126808a0
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